This screen in called the blue white screening. This is a rapid test that allows scientist to check for their insert of choice in the colonies at a glance. The concept is that where the insert is located the lac Z gene in the vector is interrupted and therefor Xgal, a reporter can be produced. Where there are blue colonies being formed the plasmid has self-ligated and the lac Z gene is not interrupted and the X-gal can be formed rendering a blue color.

8 0

3 years ago

What are enterocoelous and schizocoelous organisms?

Mars2501 [29]

Schizocoely is a process by which some animal embryos develop while splitting the mesodermal embryonic tissue. On the other hand, enterocoelous was formed in which the coelom forms from pouches "pinched" off of the digestive tract.

6 0

3 years ago

If water can stick to solids can it stick to liquids? Can it stick to mercury?

Reika [66]

Water can’t stick to either. A liquid is already in the same state as water.. water is a liquid.

7 0

3 years ago